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-rw-r--r--test/cpp/util/proto_reflection_descriptor_database.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/cpp/util/proto_reflection_descriptor_database.h b/test/cpp/util/proto_reflection_descriptor_database.h
index e4cf2f207e..46190b3217 100644
--- a/test/cpp/util/proto_reflection_descriptor_database.h
+++ b/test/cpp/util/proto_reflection_descriptor_database.h
@@ -38,7 +38,7 @@ class ProtoReflectionDescriptorDatabase : public protobuf::DescriptorDatabase {
std::unique_ptr<reflection::v1alpha::ServerReflection::Stub> stub);
explicit ProtoReflectionDescriptorDatabase(
- std::shared_ptr<grpc::Channel> channel);
+ const std::shared_ptr<grpc::Channel>& channel);
virtual ~ProtoReflectionDescriptorDatabase();